Yarirose Yarirose
  • 04-02-2020
  • Mathematics
contestada

for f(x)=2x+1 and g(x)=x^2-7, find (f-g)(x)​

Respuesta :

bhuvna789456
bhuvna789456 bhuvna789456
  • 06-02-2020

(f-g)(x) = [tex]x^{2}[/tex] + 2x + 8

Step-by-step explanation:

Step 1:

Formula for (f-g) (x) = f(x) - g(x)

Step 2:

Substitute values of f(x) and g(x) in the formula and solve

(f-g)(x) = (2x + 1) - ([tex]x^{2} -7[/tex])

(f-g)(x) = 2x + 1 - [tex]x^{2}[/tex] + 7

          = 2x + 8 [tex]- x^{2}[/tex]

          = [tex]x^{2}[/tex] + 2x + 8

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